Senior Test Automation & Infrastructure Engineer

Front Door Defense; Austin (TX); On-site; USD 120,000 - 180,000; Full time

Job summary

CesiumAstro in Austin, Texas is seeking a Senior Software Engineer to build and scale automated test infrastructure for satellite payload software and hardware interfaces.

You will design test frameworks, develop DUT control software, and integrate testing into CI/CD across multiple configurations.

The role offers hands-on, autonomous work in a cross-functional team with emphasis on reliability and maintainability.

Qualifications

• Bachelor's degree in Computer Science, Software Engineering, or a related field.
• 5–8 years of experience in software engineering, test automation, or related roles.
• Experience interfacing software with hardware systems or laboratory instrumentation.
• Strong experience in test automation framework and infrastructure development.
• Proficiency in Python, C/C++, or similar.
• Familiarity with Git, CI/CD tools, automated test frameworks.
• Hardware/software integration and system-level testing expertise.
• Instrumentation control and data acquisition knowledge.
• Solid understanding of SDLC and best practices.
• Proven debugging and root cause analysis skills across integrated systems.

Responsibilities

• Develop automated test software to control laboratory instrumentation such as signal generators, spectrum analyzers, power supplies, and network equipment.
• Implement and maintain test sequences for both system‑level and component‑level validation.
• Support integration and execution of tests across hardware and software environments.
• Debug and troubleshoot test failures across software, hardware, and interface layers.
• Ensure test systems produce accurate, repeatable, and reliable results.
• Design and implement software for device under test (DUT) control, including command handling, telemetry ingestion, and state management.
• Build reusable automation frameworks and scripts to streamline test development.
• Apply best practices in software engineering, including modular design, version control, and code reviews.
• Reduce manual intervention through efficient and scalable automation solutions.
• Develop tools and utilities to enhance test engineering productivity.
• Design and maintain scalable test automation infrastructure supporting multiple configurations and environments.
• Enhance existing frameworks for improved reliability, maintainability, and scalability.
• Integrate automated testing into CI/CD pipelines where applicable.
• Standardize tooling and infrastructure across teams to ensure consistency.
• Contribute to shared libraries and reusable automation components.
• Act as a technical bridge between software and test engineering teams.
• Collaborate with systems, hardware, and software teams to ensure system testability.
• Support integration of new components into existing test environments.
• Translate system requirements into effective automation strategies.
• Participate in design and integration reviews to ensure validation readiness.
• Identify and implement improvements to test automation architecture and codebase.
• Contribute to the evolution of next‑generation test frameworks and infrastructure.
• Drive simplification and standardization to reduce development cycle time.
• Advocate for scalable, maintainable, and reusable design principles.
• Continuously improve test processes, tools, and methodologies.

Skills

Python

C/C++

Analytical thinking

Effective communication

Root cause analysis

Multitasking

Education

Bachelor's degree in Computer Science or Software Engineering

Tools

Git

CI/CD pipelines

Instrumentation control

Automated test frameworks

Job description

CesiumAstro in Austin, Texas is seeking a Senior Software Engineer to build and scale automated test infrastructure for satellite payload software and hardware interfaces.

You will design test frameworks, develop DUT control software, and integrate testing into CI/CD across multiple configurations.

The role offers hands-on, autonomous work in a cross-functional team with emphasis on reliability and maintainability.